effects of "as forged" surfaces and notches on the fatigue strength of S.A.E. 4140 steel (U.T.S. 140,000 P.S.I.)
By: J. Y. (John Yeates) Mann.
Contributors: Aeronautical Research Laboratories (Australia)
Series: Aeronautical Research Laboratories.  Structures and materials note -- 256
Publisher: Aeronautical Research Laboratories
Published: 1959
Place of publication: Melbourne
Number of pages: 10
Notes: Bibliographical references: p. 9-10.